6(-y-6)+9y=-81

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Solution for 6(-y-6)+9y=-81 equation: 



6(-y-6)+9y=-81

We move all terms to the left:

6(-y-6)+9y-(-81)=0

We add all the numbers together, and all the variables

6(-1y-6)+9y-(-81)=0

We add all the numbers together, and all the variables

9y+6(-1y-6)+81=0

We multiply parentheses

9y-6y-36+81=0

We add all the numbers together, and all the variables

3y+45=0

We move all terms containing y to the left, all other terms to the right

3y=-45

y=-45/3

y=-15

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